private byte[] Capture()
{
try
{
Bitmap bitmap = new Bitmap(this.Canvas.Size.Width, this.Canvas.Size.Height);
using (GraphicsBase g = GraphicsGDIPuls.FromImage(bitmap))
{
this.Canvas.Draw(g);
}
BitmapData imageData = bitmap.LockBits(new Rectangle(0, 0, _width, _height), ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
byte[] bs = new byte[_width * _height * 3];
Marshal.Copy(imageData.Scan0, bs, 0, bs.Length);
bitmap.UnlockBits(imageData);
bitmap.Dispose();
var @out = _ffscale.Convert(bs);
return(@out);
}
catch (Exception e)
{
//if (AppConfig._D)
// throw;
return(null);
}
}
private bool _Draw(byte[] buffer)
{
var rgb = _scale.Convert(buffer);
if (_image == null)
{
_image = new Bitmap(_width, _height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
}
BitmapData imageData = _image.LockBits(new Rectangle(0, 0, _width, _height), ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Marshal.Copy(rgb, 0, imageData.Scan0, rgb.Length);
_image.UnlockBits(imageData);
try {
if (_control.IsHandleCreated && !_control.IsDisposed)
{
var g = _control.CreateGraphics();
g.DrawImage(_image, new Rectangle(0, 0, _control.Width, _control.Height));
g.Dispose();
}
} catch (Exception e) {
if (_control.IsHandleCreated && !_control.IsDisposed)
{
}
else
{
throw;
}
}
return(true);
}
private void YUVFrame(object sender, AForge.Video.DirectShow.RGBRawFrameEventArgs e)
{
byte[] buffer = FunctionEx.IntPtrToBytes(e.Buffer, 0, e.Len);
buffer = _ffscale.Convert(buffer);
if (_callBack != null)
{
_callBack(buffer);
}
}
private byte[] Capture()
{
//if (AppConfig._D)
// return Capture_D();
try
{
int _CX = 0, _CY = 0;
var dt = DateTime.Now;
Bitmap bmp = new Bitmap(GetSystemMetrics(0), GetSystemMetrics(1));
using (Graphics g = Graphics.FromImage(bmp))
{
g.CopyFromScreen(0, 0, 0, 0, bmp.Size);
//var bmp_tmp = CaptureCursor(ref _CX, ref _CY);
//g.DrawImage(bmp_tmp, _CX, _CY);
g.Dispose();
}
var bmp1 = KiResizeImage(bmp, _width, _height);
bmp.Dispose();
bmp = bmp1;
BitmapData imageData = bmp.LockBits(new Rectangle(0, 0, _width, _height), ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
byte[] bs = new byte[_width * _height * 3];
Marshal.Copy(imageData.Scan0, bs, 0, bs.Length);
bmp.UnlockBits(imageData);
var @out = _ffscale.Convert(bs);
return(@out);
}
catch (Exception e)
{
//if (AppConfig._D)
// throw;
return(null);
}
}
//回调函数
private void SampleGrabber_Callback(double SampleTime, IntPtr pBuf, int len)
{
if (_isDisoseing || _isDisosed)
{
return;
}
if (!_isworking)
{
return;
}
var buf = FunctionEx.IntPtrToBytes(pBuf, 0, len);
buf = _ffscale.Convert(buf);
if (_callBack != null)
{
_callBack(buf);
}
}
protected void CameraCapturer_CallBack(byte[] yuv)
{
if (!_isworking)
{
return;
}
try
{
Draw(yuv);
if ((Environment.TickCount - _lastTick) < 1000 / _fps)
{
return;
}
_lastTick = Environment.TickCount;
var yv12 = _ffscale.Convert(yuv);
if (_needForceIDRFrame)
{
_needForceIDRFrame = false;
_x264.ForceIDRFrame();
}
var enc = _x264.Encode(yv12);
var mf = new MediaFrame()
{
Width = _cfgVideo.Width,
Height = _cfgVideo.Height,
Ex = 1,
IsAudio = 0,
Encoder = MediaFrame.H264Encoder,
IsKeyFrame = (byte)(_x264.IsKeyFrame() ? 1 : 0),
MediaFrameVersion = 0,
PPSLen = 0,
SPSLen = 0,
Size = enc.Length,
NTimetick = Environment.TickCount,
};
mf.SetData(enc);
if (mf.IsKeyFrame == 1)
{
var sps_pps = Media.MediaSteamConverter.GetSPS_PPS(enc);
mf.SPSLen = sps_pps[0].Length;
mf.PPSLen = sps_pps[1].Length;
}
mf.MediaFrameVersion = mf.IsKeyFrame;
if (_needClearVideoTransportBuffer)
{
_needClearVideoTransportBuffer = false;
var frame = CreateClearVideoTransportBufferMediaFrame(mf);
if (_callBack != null)
{
_callBack(frame);
}
}
if (_isFirstKeyFrame)
{
if (mf.IsKeyFrame == 1)
{
mf.Ex = 0;
}
_isFirstKeyFrame = false;
var frame = CreateResetCodecMediaFrame(mf);
if (_callBack != null)
{
_callBack(frame);
}
}
if (_callBack != null)
{
_callBack(mf);
}
}
catch (Exception e)
{
if (_isworking)
{
throw;
}
}
}
